1.   He developed statistical techniques to study the variability of wild populations and to measure changes in the range of variability over time.

2.   If performance indicators are designed to measure change, and goals are expressed in terms of improvement, this process will be easier.

3.   Flights in September and early October tested experimental laser and radar instruments that can track storms and measure changes in vegetation, rainfall and soil erosion from orbit.

4.   However, Abraham said, the CPI was designed simply to measure changes in prices, not the cost of living.

5.   In addition to measuring the absolute increase in computer and communications capacity, the researchers used a series of statistical techniques to measure changes in concentration over time.

6.   One technique is to embed wire loops in the pavement that are connected to circuitry that measures changes in electrical properties as a vehicle passes.

7.   PET scans measure changes in blood flow, and blood flow indicates neural activity.

8.   The federal scientists set out to measure changes in temperature and precipitation patterns.

9.   Though more of the respondents held payrolls constant last month, the index measures only changes between those who report an increase and those noting a decline.

10.   So waves of cold atoms can be used to measure changes in gravity.